Finding the Fourth Proportional to 1,402.32, 1,931.25 and 1,127.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.32 : 1,931.25 = 1,127.73 : x
2. Step 2: Convert to fraction form
   1,402.32/1,931.25 = 1,127.73/x
3. Step 3: Cross multiply
   1,402.32x = 1,931.25 × 1,127.73
4. Step 4: Simplify right side
   1,402.32x = 2,177,928.56
5. Step 5: Solve for x
   x = 2,177,928.56/1,402.32
6. Step 6: Final answer
   x = 1,553.09